Mike Tomlin has been nothing if not consistent when it comes to Antonio Brown’s silly end-zone celebrations. A year ago, Tomlin said of a Brown somersault after his 71-yard punt return for a touchdown against Cincinnati, “It’s funny to me sometimes that people think I can stop a grown man from doing something like that. What do you want me to do? Not play him?” Earlier this season, after Brown did a full front flip after a 56-yard touchdown catch against Cleveland, Tomlin said, “Awesome…